CN105882859A

CN105882859A - Closed type adjustable oil brake upper pump

Info

Publication number: CN105882859A
Application number: CN201510030086.7A
Authority: CN
Inventors: 张小红; 张羽
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-01-19
Filing date: 2015-01-19
Publication date: 2016-08-24

Abstract

The invention discloses a closed type adjustable oil brake upper pump which comprises an adjustment nut (2), an adjustment screw rod (3), a limiting buckle (5), an adapter (10), an adjustment fork (12), an adjustment fork screw (13) and a protection sleeve (16). The closed type adjustable oil brake upper pump is of an oil pressure disc brake upper pump structure with a closed type oil path, so that the volume of an oil cylinder is convenient to adjust; a working gap of a friction sheet can be adjusted, and an angle of a handle and the handfeel of a brake can be adjusted; therefore, the closed type adjustable oil brake upper pump is convenient to use by customers with different hand shapes. Compared with the generally used oil pressure disc brake, the closed type adjustable oil brake upper pump is more convenient to use, and the production cost is reduced to a certain extent.

Description

Closed adjustable oil is stopped upper pump

Technical field

The present invention relates to the oil pressure disk type brake used in bicycle, electric bicycle and motorcycle, letter Claim hydraulic disc brake.

Background technology

Bicycle, electric bicycle and motorcycle are widely used hydraulic disc brake, are the parts of these vehicles indispensabilities, The most conventional hydraulic disc brake, due to design structure and manufacture, easily produces following deficiency: one is, The upper pump easy oil leakage of hydraulic disc brake at present, reason is that the upper pump of the hydraulic disc brake of open by design has two activities Rubber seal, during work, the two sealing ring does not the most stop to move back and forth abrasion, with outside only every one Individual simple O RunddichtringO or a trumpet type sealing ring, such easy oil leakage.Two are, upper pump casing with One oil storage cup, oil storage cup has the more place that is in communication with the outside, and sealing is difficult to ensure that.Three are, open oil Under pressure disc brake, the friction plate of pump and the gap of disc adjust difficulty.For the problems referred to above, Chinese patent ZL201420300238.1 gives the scheme of a kind of solution, and can conveniently adjust between friction plate and disc Gap, can conveniently adjust again the angle of handle.But structurally slightly complicated.

Summary of the invention

The defect existed for above-mentioned existing technology, inventive closure formula is adjustable, and oil stops that upper pump purpose is: Pump on the hydraulic disc brake of a kind of closed oil circuit is provided, uses the simplest mode to reach conveniently to adjust Gap between friction plate and disc, can conveniently adjust again the angle of handle, simplifies part, reduces and produces into This.

Realization the technical scheme is that such:

A kind of closed adjustable oil is stopped upper pump, including adjusting nut, adjust screw rod, limit buckle, adaptor, Adjusting fork, adjust fork screw and protection set, the shape of described adjusting nut is as T-shaped, or as cross, There is a screw hole run through centre equipped with adjusting screw rod, and the two terminal circle cylinder vertical with screw hole is enclosed within handle Circular hole in；The front end adjusting screw rod is resisted against in the pit of piston, and the spinning in and out adjusting screw rod change oil The oil storage volume of earthen pipe；Limit buckle one end connects piston, and the other end connects adjustment screw rod, and limit buckle makes piston It is abutted together can not separate with adjusting screw rod；One end connected pipes of described adaptor, the other end and oil Earthen pipe is spirally connected, and there is an oiling screw centre；The described jaw adjusting fork be resisted against on adjusting nut or against On handle, defining adjusting nut and handle retracted position, the centre adjusting fork is porose, is fixed by pin In upper pump case, adjust the lower end of fork equipped with adjusting fork screw；Described fork screw of adjusting is contained in the lower end adjusting fork, One end inside it withstands in pump case, and its tail end has and is available for the groove that screwdriver is puted forth effort, or its afterbody It is fixed on a knob；Described protection set rubber or plastics are made, and have elasticity, are wrapped in Adaptor and the head of upper pump case, have ring-type convex tendon inside it, this convex tendon is strangled at adaptor and upper pump case In gap between body.Having the short axle of protrusion on the two terminal circle cylinder of described adjusting nut, this short axle leans against Adjust on the jaw of fork；The shape of adjusting nut or a cylinder, centre is screw.Described is spacing Button and the connected mode of piston are to be spirally connected or rivet or snapping or limit buckle itself and work Plug combines together, wraps the round end adjusting screw front end in the way of riveting.The described rotation adjusting screw rod Enter to screw out the oil storage volume changing oil cylinder pipe, it is impossible to change the angle of handle.The described precession adjusting fork screw Screw out the oil storage volume changing oil cylinder pipe, change the angle of handle simultaneously.Or adjust handle by knob screw Distance between hands and upper pump case；Or add on handle and prolong a projecting block, adjust fork to withstand on projecting block, The spinning in and out adjusting fork screw just change the oil storage volume of oil cylinder pipe, change the angle of handle simultaneously.

The invention has the beneficial effects as follows, relative to the hydraulic disc brake generally used at present, decrease leakage of oil can Can, improve using effect, simplify part, reduce production cost.

Accompanying drawing explanation

Accompanying drawing is presented herein below illustrate:

Fig. 1 is that the adjustable oil of inventive closure formula is stopped the sectional view of a detailed description of the invention of upper pump.

Fig. 2 is the explosive view of a detailed description of the invention.

Fig. 3 and Fig. 4 is the axonometric chart of another embodiment of the invention.

Fig. 5 further illustrates the mutual relation in a detailed description of the invention between part.

Detailed description of the invention

Below in conjunction with implementing, the invention will be further described.

Fig. 1 is that the adjustable oil of inventive closure formula is stopped the sectional view of a detailed description of the invention of upper pump, and Fig. 2 is The explosive view of this detailed description of the invention.It is described as follows in conjunction with Fig. 1 and Fig. 2: when staff is held with a firm grip handle 1, Hands 1 drives adjusting nut 2 and adjustment screw rod 3 to push ahead, and adjusts screw rod 3 and is pressed into by piston 4, lives Oil is just expressed to lower pump by oil pipe by plug 4, it is possible to produce brake force.The shape of adjusting nut 2 is as T Font, or as cross, there is a screw hole run through centre equipped with adjusting screw rod 3, vertical with screw hole Two terminal circle cylinder be enclosed within the circular hole of handle 1；The front end adjusting screw rod 3 is resisted against in the pit of piston 4, The spinning in and out adjusting screw rod 3 change the oil storage volume of oil cylinder pipe 9；Limit buckle 5 one end connects piston 4, separately One end connects adjustment screw rod 3, and limit buckle 5 makes piston 4 and adjustment screw rod 3 be abutted together and can not separate；Turn One end connected pipes of joint 10, the other end and oil cylinder pipe 9 are spirally connected, and there is an oiling screw centre；Adjust fork 12 Jaw be resisted against on adjusting nut 2 or be resisted against on handle 1, define adjusting nut 2 and handle 1 Retracted position, the centre adjusting fork 12 is porose, is fixed in upper pump case 7 by pin 14, adjusts fork 12 Lower end is equipped with adjusting fork screw 13；Adjusting fork screw 13 to be contained in the lower end adjusting fork 12, the one end inside it withstands on In pump case 7, its tail end has and is available for the groove that screwdriver is puted forth effort, or its afterbody is fixed on a knob； Protection set 16 is made with rubber or plastics, has elasticity, is wrapped in adaptor 10 and upper pump case 7 Head, have ring-type convex tendon inside it, this convex tendon strangles gap between adaptor 10 and upper pump case 7 In.Having the short axle of protrusion on the two terminal circle cylinder of adjusting nut 2, this short axle acts against on the jaw adjusting fork 12； The shape of adjusting nut 2 or a cylinder, centre is screw.Limit buckle 5 and the connection of piston 4 Mode is to be spirally connected or rivet or snapping or limit buckle 5 itself and piston 4 combine together, The round end adjusting screw rod 3 front end is wrapped in the way of riveting.The spinning in and out adjusting screw rod 3 change oil cylinder The oil storage volume of pipe 9, does not change the angle of handle 1.The spinning in and out adjusting fork screw 13 change oil cylinder pipe 9 Oil storage volume, simultaneously change handle 1 angle.Adjust screw rod 3 and adjust fork screw 13 to adjust down The gap of pump friction plate.

Riveting pin 15 is by handle 1 together with the riveting of upper pump case 7, and handle 1 can be with flexible rotating.Sealing ring 6.1 It is contained on piston 4 with sealing ring 6.2.Adaptor sealing ring 11 undertakes between adaptor 10 and oil cylinder pipe 9 Sealing.Back-moving spring 8 is contained in oil pipe, plays the effect resetted by piston 4.

Fig. 3 and Fig. 4 is the axonometric chart of another embodiment of the invention.In fig. 1 and 2, clear Illustrate adjust fork screw 13 and adjust the effect of fork 12, adjust the spinning in and out of fork screw 13 to change oil cylinder pipe 9 Oil storage volume, changes the angle of handle 1 simultaneously.People can also be able to accomplish with Fig. 3 and Fig. 4 upper type, Adjust the distance between handle 1 and upper pump case 7 by knob screw 17, or add on handle 1 and prolong one Individual projecting block 18, as long as adjusting fork 12 to withstand on projecting block 18, fork screw 13 is adjusted in turn, as also playing Function, it is also possible to change oil cylinder pipe 9 oil storage volume, simultaneously change handle 1 angle.

Fig. 5 further illustrates handle 1, adjusting nut 2 and adjusts the mutual relation between fork 12.

Claims

1. closed adjustable oil is stopped a upper pump, including adjusting nut (2), adjust screw rod (3), limit buckle (5), (16) are overlapped in adaptor (10), tune fork (12), tune fork screw (13) and protection, it is characterised in that: institute The shape of the adjusting nut (2) stated is as T-shaped, or as cross, there is a screw run through centre Hole is equipped with adjusting screw rod (3), and the two terminal circle cylinder vertical with screw hole is enclosed within the circular hole of handle (1)； The front end of described adjustment screw rod (3) is resisted against in the pit of piston (4), adjusts the rotation of screw rod (3) Enter to screw out the oil storage volume changing oil cylinder pipe (9)；Described limit buckle (5) one end connects piston (4), The other end connects adjustment screw rod (3), and limit buckle (5) makes piston (4) and adjustment screw rod (3) be resisted against Can not separate together；One end connected pipes of described adaptor (10), the other end and oil cylinder pipe (9) Being spirally connected, there is an oiling screw centre；The jaw of described tune fork (12) is resisted against on adjusting nut (2) Or it is resisted against on handle (1), defines adjusting nut (2) and handle (1) retracted position, adjust The centre of fork (12) is porose, is fixed in upper pump case (7) by pin (14), adjusts fork (12) Lower end is equipped with adjusting fork screw (13)；Described tune fork screw (13) is contained in the lower end adjusting fork (12), its One end of the inside withstands in pump case (7), and its tail end has and is available for the groove that screwdriver is puted forth effort, or its Afterbody is fixed on a knob；Described protection set (16) is made with rubber or plastics, has Elasticity, is wrapped in adaptor (10) and the head of upper pump case (7), has ring-type convex tendon inside it, This convex tendon is strangled in the gap between adaptor (10) and upper pump case (7).

Closed adjustable oil the most according to claim 1 is stopped upper pump, it is characterised in that: described adjusting nut (2) having the short axle of protrusion on two terminal circle cylinder, this short axle acts against on the jaw adjusting fork (12)；Adjust The shape of whole nut (2) or a cylinder, centre is screw.

Closed adjustable oil the most according to claim 1 is stopped upper pump, it is characterised in that: described limit buckle (5) It is to be spirally connected or rivet or snapping or limit buckle (5) with the connected mode of piston (4) Itself and piston (4) combine together, wrap the round end adjusting screw rod (3) front end in the way of riveting.

Closed adjustable oil the most according to claim 1 is stopped upper pump, it is characterised in that: described adjustment screw rod (3) spinning in and out change the oil storage volume of oil cylinder pipe (9), do not change the angle of handle (1).

Closed adjustable oil the most according to claim 1 is stopped upper pump, it is characterised in that: described tune fork screw (13) spinning in and out change the oil storage volume of oil cylinder pipe (9), change the angle of handle (1) simultaneously； Or adjust the distance between handle (1) and upper pump case (7) by knob screw (17)；Or Add on handle (1) and prolong a projecting block (18), adjust fork (12) to withstand on projecting block (18), adjust fork The spinning in and out of screw (13) just change the oil storage volume of oil cylinder pipe (9), change handle (1) simultaneously Angle.